Exposure
- ID
- GRAVI.2021-11-03T05:05:09.677_1
- Header ID
- GRAVI.2021-11-03T05:05:09.677
- Date updated
- 2021-11-03 05:16:05 UTC+0000
- Release date
- 2022-11-03 05:16:04 UTC+0000
- UTC Start
- 2021-11-03 05:05:09.677
- UTC End
- 2021-11-03 05:06:45.677
- MJD Start
- 59521.21191756
- MJD End
- 59521.2130286711
- Exposure time (s)
- 96.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0074675
- Ambient temperature (°C)
- 11.78
- Seeing (arcsec)
- 0.42
Observation
- ID
- 48713
- Category
- science
- Program ID
- 108.224U.001
- Program Title
- SPATIALLY RESOLVING BETELGEUSE AND VY CMA, THE CORNERSTONES OF THE RED SUPERGIANT FAMILY
- Program Type
- Normal
- PI / COI
- MONTARGES/ LEBRE/ DUPREE/ HUMPHREYS/ CANNON/ LAGADEC/ SCICLUNA/ KERVELLA/ DE KOTER/ LOPEZ ARISTE/ SANCHEZ/ PALADINI/ DECIN/ KRAVCHENKO/ WITTKOWSKI/ NORRIS/ CHIAVASSA/ RIDGWAY/ PERRIN/ HAUBOIS/ CANTALLOUBE/ RAU/ BRUNO
Target
- ID
- 36483
- Name
- Betelgeuse
- RA
- 88.790832
- DEC
- 7.40712
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B2 | 25.2690 | 25.2790 | 137.3000 | 137.2000 |
| A0-D0 | 21.1910 | 21.5110 | 72.4000 | 72.5000 |
| A0-C1 | 20.8370 | 20.9440 | 119.4600 | 119.1920 |
| B2-D0 | 25.1840 | 25.2250 | 7.0000 | 7.6000 |
| B2-C1 | 8.3920 | 8.4060 | 6.9350 | 7.5530 |
| D0-C1 | 16.7920 | 16.8190 | 187.0120 | 187.6260 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 108.224U.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 59521.21191756 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | Betelgeuse |
| HIERARCH ESO INS SOBJ NAME | Betelgeuse |
| RA | 88.790832 |
| DEC | 7.40712 |
| HIERARCH ESO INS SPEC RES | HIGH |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | A0 |
| HIERARCH ESO ISS CONF STATION2 | B2 |
| HIERARCH ESO ISS CONF STATION3 | D0 |
| HIERARCH ESO ISS CONF STATION4 | C1 |
| EXPTIME | 194.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 0.3 |
| HIERARCH ESO DET2 NDIT | 320 |
| HIERARCH ESO ISS PBL12 START | 25.269 |
| HIERARCH ESO ISS PBL12 END | 25.279 |
| HIERARCH ESO ISS PBLA12 START | 137.3 |
| HIERARCH ESO ISS PBLA12 END | 137.2 |
| HIERARCH ESO ISS PBL13 START | 21.191 |
| HIERARCH ESO ISS PBL13 END | 21.511 |
| HIERARCH ESO ISS PBLA13 START | 72.4 |
| HIERARCH ESO ISS PBLA13 END | 72.5 |
| HIERARCH ESO ISS PBL14 START | 20.837 |
| HIERARCH ESO ISS PBL14 END | 20.944 |
| HIERARCH ESO ISS PBLA14 START | 119.46 |
| HIERARCH ESO ISS PBLA14 END | 119.192 |
| HIERARCH ESO ISS PBL23 START | 25.184 |
| HIERARCH ESO ISS PBL23 END | 25.225 |
| HIERARCH ESO ISS PBLA23 START | 7.0 |
| HIERARCH ESO ISS PBLA23 END | 7.6 |
| HIERARCH ESO ISS PBL24 START | 8.392 |
| HIERARCH ESO ISS PBL24 END | 8.406 |
| HIERARCH ESO ISS PBLA24 START | 6.935 |
| HIERARCH ESO ISS PBLA24 END | 7.553 |
| HIERARCH ESO ISS PBL34 START | 16.792 |
| HIERARCH ESO ISS PBL34 END | 16.819 |
| HIERARCH ESO ISS PBLA34 START | 187.012 |
| HIERARCH ESO ISS PBLA34 END | 187.626 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007635 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.0073 |
| HIERARCH ESO ISS AMBI TEMP | 11.78 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.41 |